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Hunting the Anthrax Killer

Hunting the Anthrax Killer
After 9/11, anthrax-laced letters were mailed to major media companies and prominent U.S. senators. In total, the letters killed five people and sickened 17 others, making it the worst bioterrorism attack the United States has ever seen. After a seven-year manhunt, the FBI concludes that a government biodefense researcher, Bruce E. Ivins, was responsible for the anthrax mailings. Shortly after, Ivins committed suicide. Was this seemingly normal citizen actually the anthrax killer?